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    Is cache really improve the connection speed?

    Scheduled Pinned Locked Moved pfSense Packages
    41 Posts 8 Posters 19.6k Views
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    • T
      Tikimotel
      last edited by

      I forgot to mention, my browsers use very little local cache (temporary internet files).
      I set it around 32MB, the rest is cached by pfSense (squid) anyway.

      I remember IE used a setting of 10% of local HDD in the older versions, before HDD's were hundreds of GBs large.
      I believe the newer versions have setup a more sensible limit.

      1 Reply Last reply Reply Quote 0
      • I
        iamthed
        last edited by

        i don't understand why you ppl put a maximum object size very high..
        i think the definition maximum object is for the packet.. not for the overall file..
        one file that u download 1mb it maybe consist of hundred package..
        so why you setting to high??
        i think 1024 for maximum object is enough..

        and what is Low-water-mark and High-water-mark in % ?

        guys are you using bridge mode for transparent proxy? because i can filter anything in bridge mode using transparent proxy..  ???

        i'm dumb.. but i have a desire to learn

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        • M
          mhab12
          last edited by

          I set the max object size very high to cache windows updates.  There is nothing worse than watching people sit at their desk while a 150mb .NET service pack downloads at 300K.

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          • I
            iamthed
            last edited by

            @mhab12:

            I set the max object size very high to cache windows updates.  There is nothing worse than watching people sit at their desk while a 150mb .NET service pack downloads at 300K.

            u don't get it what i mean..
            cmiiw the file that u download 150mb.. it consist of a thousand packet..
            one packet maybe contain arround 256 kb

            what i mean is max object size is per packet.. not a whole file..

            i'm dumb.. but i have a desire to learn

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            • jahonixJ
              jahonix
              last edited by

              Hay, d-ifyouare, who told you squid would cache IP packets only? It is caching an entire object (aka file) from the likes of .html or .jpg or .png or.xml or …
              Looking at your squid cache folders you'll find objects of highly varying sizes. That's the size of the cached file. It wouldn't differ if its only packets.

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              • I
                iamthed
                last edited by

                @jahonix:

                Hay, d-ifyouare, who told you squid would cache IP packets only? It is caching an entire object (aka file) from the likes of .html or .jpg or .png or.xml or …
                Looking at your squid cache folders you'll find objects of highly varying sizes. That's the size of the cached file. It wouldn't differ if its only packets.

                u're questioning about "who told me" that's juz my assumption.. that's why i said "CMIIW"
                ok so now my question.. someone refer that he's using cache for windows update..
                let's say person A he download windows update at speed 5kb and finish the update <–-- squid will save it as a cache right?

                and then person B download windows update too.. how aproximately the speed? is it as fast as file sharing?

                i'm dumb.. but i have a desire to learn

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                • T
                  Tikimotel
                  last edited by

                  If you have a very busy network the file downloaded from windows-update might not be in cache anymore.
                  If the network isn't very busy chances are the file will be delivered from squid cache (either RAM or HDD).

                  Squid performance depends greatly on usage, hence the many caching policies and configuration option (not all implemented into the package).
                  There is no simple configuration to satisfy all usage variables.

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                  • J
                    josey
                    last edited by

                    @iamthed:

                    @jahonix:

                    Hay, d-ifyouare, who told you squid would cache IP packets only? It is caching an entire object (aka file) from the likes of .html or .jpg or .png or.xml or …
                    Looking at your squid cache folders you'll find objects of highly varying sizes. That's the size of the cached file. It wouldn't differ if its only packets.

                    u're questioning about "who told me" that's juz my assumption.. that's why i said "CMIIW"
                    ok so now my question.. someone refer that he's using cache for windows update..
                    let's say person A he download windows update at speed 5kb and finish the update <–-- squid will save it as a cache right?

                    and then person B download windows update too.. how aproximately the speed? is it as fast as file sharing?

                    yes, how is it working for me
                    comp A download file 500mb large ar speed 100kbs
                    after finish
                    comp B download same file at speed 10 000kbs+ :)

                    so is it worth it?
                    definitely!

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                    • I
                      iamthed
                      last edited by

                      yes, how is it working for me
                      comp A download file 500mb large ar speed 100kbs
                      after finish
                      comp B download same file at speed 10 000kbs+ :)

                      so is it worth it?
                      definitely!

                      okay how bout this situation..
                      comp 1 download file A on website name www.whocares.com
                      comp 2 download file A but from diffrent website but it has the same contain from www.icares.com

                      is cache from website whocares and i cares has stored double on var/squid/cache??
                      i think i started to like cache  :P

                      i'm dumb.. but i have a desire to learn

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                      • J
                        josey
                        last edited by

                        who cares if it holds double file :D

                        you (at least i do) have 100 gigs cache :D

                        but, good question, anybody knows? for surely?
                        maybe if name is same, and size…

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                        • B
                          Bern
                          last edited by

                          The cache will have two copies of the same file as they came from different URIs/URLs.

                          If you're worried about duplicate Windows Updates then you should be using WSUS or something like Heise's offline update.

                          In a business environment of any importance you should really be using WSUS to manage/track updates anyway.

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                          • I
                            iamthed
                            last edited by

                            sorry guys i'm newbie.. i wanna se my cache..
                            but how?
                            is it go from shell?
                            what is the command for look it..
                            thx a lot

                            i'm dumb.. but i have a desire to learn

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                            • J
                              jigpe
                              last edited by

                              users used 60gb a day. Is it ok?

                              jigp
                              Davao City
                              1.2.2

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                              • C
                                chudy
                                last edited by

                                okay how bout this situation..
                                comp 1 download file A on website name www.whocares.com
                                comp 2 download file A but from diffrent website but it has the same contain from www.icares.com

                                is cache from website whocares and i cares has stored double on var/squid/cache??
                                i think i started to like cache  :P

                                This is how CDN works. It downloads the content from the different servers usually it downloads near to your location.
                                Thats why squid has storeurl feature to redirect them into 1 file.

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                                • J
                                  jigpe
                                  last edited by

                                  Thanks. Im downloading now the cacheboy. Ill update you :)

                                  Good afternoon

                                  jigp
                                  Davao City

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